Display screen or portion thereof with icon set



The FIGURE is a front view of a display screen or portion thereof with icon set showing our new design.

The broken lines in the FIGURE depict a display screen or portion thereof and form no part of the claimed design.

The bracket shown in the FIGURE indicates an icon set; the bracket forms no part of the claimed design.

The icons of the set as shown in the FIGURE are arranged relatively on the drawing sheet for the convenience of illustration, and the placement of each icon relative to another, or to the drawing sheet, forms no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with icon set, as shown and described. 